Unit 4

Fill in the blanks. Plants manufacture their own food through the process of photosynthesis.The main product of photosynthesis is sugar. The by-product is oxygen. Moving synthesized and absorbed water and nutrients through the plant is the process of translocation.Plant roots take water from the soil through the process of absorption.Water loss from leaf surface through evaporation is called transpiration. Match the terms to the description. Juvenile Growth when a plant first starts growing from seed Vegetative Growth Leaves, stems, roots Reproductive Growth Flowers, seeds, fruit Dormant resting or growing very little Sexual Propagation using seeds tp reproduce Asexual Propagation Using plant parts other than seeds to reproduce more plants Neal is planning to sexually propagate some plants. Which plant parts should he purchase? leaves roots seeds Renee needs about 1,000 Petunia plants. If seed germination is 50%, which is the minimum number of seeds she should sow? 500 1,000 2,000 Match the propagation method to its description. Cuttings removing a leaf, stem, or root to grow roots from Layering forming new plants (with roots) while still attached to the parent plant Grafting joining separate plant parts to grow as one. Tissue Culture Produces the most new plants in shortest time; requires lab conditions Division breaking plants into smaller pieces or clumps Homer is careful to study the temperature, moisture, and seed viability for the plants he plans to grow. These are factors that affect: germination rate cuttings grafts Advantages of sexual propagation. Determine whether each statement is an advantage or disadvantage to planting seeds. Advantages of Sexual Propagation fast way to get many plants easy economical Disadvantages of Sexual Propagation Some plants, especially hybrids, do not reproduce true to parents. Advantages of asexual propagation Determine whether each statement is an advantage or disadvantage of asexual propagation. Advantage of Asexual Propagation plants mature in a shorter time in trench layering, a new plant forms at each node some plants do not produce viable seeds new plants are clones of the parent Disadvantage of Asexual Propagation some require special equipment or skills cuttings detach plant parts from water and nutrient source